What was found
ON TAXI OUT, CABIN FILLED WITH SMOKE FOUND NR 3 PACK VALVE NOT FULLY CLOSED. REPLACED PACK VALVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON TAXI OUT, CABIN FILLED WITH SMOKE FOUND NR 3 PACK VALVE NOT FULLY CLOSED. REPLACED PACK VALVE.